unmentioned

English

Etymology 1

un- +‎ mentioned

Adjective

unmentioned (not comparable)

1. Not mentioned.
   • 1962 October, Brian Haresnape, “Focus on B.R. passenger stations”, in Modern Railways, page 255:

     The present manner of dress and behaviour of a certain element of B.R. station staff is too appalling to pass unmentioned.

Etymology 2

From unmention +‎ -ed.

Verb

unmentioned

1. simple past and past participle of unmention